Family name พิศวงค์ (พิศวงค์ 
) , all around the world, is a rare cognomen. The surname พิศวงค์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Also, พิศวงค์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พิศวงค์ | Thailand |